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vodka [1.7K]
3 years ago
12

What are the coefficients in the expression -8y^ + 12x + 5y + 7

Mathematics
1 answer:
schepotkina [342]3 years ago
8 0

Answer:

-8  12  5  

Step-by-step explanation:

they are the numbers attached to the variables

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Uurgent please help me
Alborosie

Answer:

5/6 (i think im not good at math soz)

-Mina

Step-by-step explanation:

Branily stop deleting my awnsers

4 0
2 years ago
Which of the following points are more than 5 units from the point P(−2, −2)? Select all that apply. A A (2, 1) B B (4, −1) C C
netineya [11]

The distance between any 2 points P(a,b) and Q(c,d) in the coordinate plane, is given by the formula:<span>

<span> |PQ|= \sqrt{ (a-c)^{2} + (b-d)^{2}}</span></span>


Using this formula we calculate the distances |PA|, |PB|, |PC|, |PD| and |PE| and compare to 5.


|PA|= \sqrt{ (-2-2)^{2} + (-2-1)^{2}}= \sqrt{16+9}= \sqrt{25}=5

|PB|= \sqrt{ (-2-4)^{2} + (-2+1)^{2}}= \sqrt{36+1}= \sqrt{37} \approx 6

|PC|= \sqrt{ (-2-2)^{2} + (-2+3)^{2}}= \sqrt{16+1}= \sqrt{17}\approx4

|PD|= \sqrt{ (-2+6)^{2} + (-2+6)^{2}}= \sqrt{16+16}= \sqrt{32}\ \textgreater \  \sqrt{25}=5

|PE|= \sqrt{ (-2+5)^{2} + (-2-1)^{2}}= \sqrt{9+9}= \sqrt{16}=4


Answer: B and D





3 0
3 years ago
If a x 10^n is scientific notation, then a must be between 1 and
Yanka [14]

Answer:

  A)  10

Step-by-step explanation:

In the US, a number in scientific notation will have a mantissa (a) such that ...

  1 ≤ a < 10

That is, the value of "a" must be between 1 and 10 (not including 10).

_____

<em>Comment on alternatives</em>

In other places or in particular applications (some computer programming languages), the standard form of the number may be a×10^n with ...

  0.1 ≤ a < 1

In engineering use, the form of the number is often chosen so that "n" is a multiple of 3, and "a" is in the range ...

  1 ≤ a < 1000

This makes it easier to identify and use the appropriate standard SI prefix: nano-, micro-, milli-, kilo-, mega-, giga-, and so on.

4 0
3 years ago
A car travels 420 miles in 6 hours. What is the unit rate?
Semmy [17]

Answer:

70

Step-by-step explanation:

because 70 times 6 equals 420

3 0
3 years ago
This may seem silly but how do you multiply 8 times 8 it all ways stumps me.
qaws [65]
Lets solve this step by step. 

8 * 8 = 64 

Lets suppose there are 8 aquariums and there are 8 fish in each. Therefore, there are 8 groups of 8 fish. Add and solve. 

8+8+8+8+8+8+8+8 = 64 

4 0
3 years ago
Read 2 more answers
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